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The piston of a vertical piston-cylinder device containing a gas has a mass of 200 kg and a cross-sectional area of 0.05 m2. The local atmospheric pressure is 101 kPa. a) Find the absolute pressure, P, in the cylinder. b) If a mercury manometer is used to measure the pressure in the cylinder, find the height, h, of the mercury column in mm.
Barium peroxide decomposes when heated to give BaO and O2. Write the balanced equation for this reaction. How many moles of O2 is formed when 0.500 mole of BaO2 is decomposed
Potassium carbonate, K2CO3, sodium iodide, NaI, magnesium oxide, MgO, methanol, CH3OH, and ammonium chloride, NH4Cl, are soluble in water. Which produces the largest number of dissolved particles per mole of dissolved solute
what is the osmolarity of a solution containing 0.1 m nano3 and 0.2 m nacl? what is the molarity of the solution
The number of molecules in 16.0 grams of methane, CH4, is the same as that in how many grams of water. If 20.0 of fe2(SO4)3 is mixed with 20.0g of Ba(OH)2, the limiting reactant is Fe2(SO4)3+ 3Ba(OH)2-3 BaSO4+2Fe(OH)3
A recessive genetic condition can prevent some people from expressing the carbohydrate core that is typical for the O blood type. As a result of this condition, two parents with A, B, or AB blood types who are carriers of this recessive condition ..
Discuss the social, clinical and research applications of PCR. give one example of each category o application
The instruction booklet for your pressure cooker indicates that its highest setting is 11.1 . You know that standard atmospheric pressure is 14.7 , so the booklet must mean 11.1 above atmospheric pressure
Calculate the cell potential at 298 K of the galvanic cell below. Assume no current draw and a perfect salt bridge. Pt(s)| Cu2+ (0.05 M), Cu+ (0.50) || Fe2+ (0.01 M), Fe3+ (0.10 M) | Pt(s)
how many grams of solid NaOCl must be added to 50 mL of .14 molar HOCl to obtain a buffer solution with a pH of 7.49.
Add charges, single electron dots, and/or pairs of dots as appropriate to show the Lewis symbols for the most stable ion of each element. Treat n=4 as the valence shell in all cases.
Disposable lighters burn butane (C4H10) and produce CO2 and H20. Balance the chemical equation for this combustion reaction and determine how many grams of CO2 are produced by burning 1.00 g of C4H10.
Complete the following table for this titration. Data Table P2: Titration of citric acid in orange juice with sodium hydroxide. concentration of OH-: 0.0769 M volume orange juice: 9.40 mL mass orange juice: 9.56 g volume of OH- solution
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